1、BS EN 3229:2009ICS 49.030.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Nuts, hexagonal,plain, reduced height,normal across flats, insteel, cadmium plated,left hand thread Classification: 900MPa (at ambienttemperature) / 235 CLicensed Copy:
2、Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 25/03/2010 06:56, Uncontrolled Copy, (c) BSIThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 January2010 BSI 2010ISBN 978 0 580 70135 1Amendments/corrigenda issued since publicationDate CommentsBS EN 3229
3、:2009National forewordThis British Standard is the UK implementation of EN 3229:2009.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained onrequest to its se
4、cretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 25/03/2010 06:56, U
5、ncontrolled Copy, (c) BSIBS EN 3229:2009EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3229 December 2009 ICS 49.030.30 English Version Aerospace series - Nuts, hexagonal, plain, reduced height, normal across flats, in steel, cadmium plated, left hand thread - Classification: 900 MPa (at ambie
6、nt temperature) / 235 C Srie arospatiale - crous hexagonaux ordinaires, hauteur rduite, surplats normaux, en acier, cadmis, filetage gauche - Classification : 900 MPa ( temprature ambiante) / 235 C Luft- und Raumfahrt - Flache Sechskantmuttern, mit normaler Schlsselweite, aus Stahl, verkadmet, Links
7、gewinde - Klasse: 900 MPa (bei Raumtemperatur) / 235 C This European Standard was approved by CEN on 29 September 2009. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without
8、 any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language ma
9、de by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, Fra
10、nce, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE F
11、R NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3229:2009: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 25/03/2010 06:56, Uncontrolled Copy, (c) BSIBS E
12、N 3229:2009EN 3229:2009 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Required characteristics .54 Designation 75 Marking .86 Technical specification .8Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 25/03/2010 06:56, Uncontrolled Copy, (c) BSIBS EN 3229:2009EN 3229:2009 (E
13、) 3 Foreword This document (EN 3229:2009) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Asso
14、ciations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2010, and conflicting national standards s
15、hall be withdrawn at the latest by June 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Re
16、gulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Ne
17、therlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 25/03/2010 06:56, Uncontrolled Copy, (c) BSIBS EN 3229:2009EN 3229:2009 (E) 4 1 Scope This European Standard specifies the chara
18、cteristics of plain, hexagonal nuts, reduced height, normal across flats, with left hand thread, in steel, cadmium plated. Classification: 900 MPa 1) / 235 C. 2) 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, on
19、ly the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2133, Aerospace series Cadmium plating of steels with specified tensile strength 1 450 MPa, copper, copper alloys and nickel alloysEN 2205, Aerospace series Stee
20、l FE-PL1502 (25CrMo4) 900 MPa Rm 1 100 MPa Bars De 40 mm EN 2424, Aerospace series Marking of aerospace products EN 2438, Aerospace series Steel FE-PL2102 (35NiCr6) 900 MPa Rm 1 100 MPa Bars De 40 mm EN 2444, Steel FE-PL711 900 MPa Rm 1 100 MPa Bars and wires De 45 mm 3)EN 2448, Aerospace series Ste
21、el FE-PL1503 (35CrMo4) 900 MPa Rm 1 100 MPa Bars De 40 mmEN 3513, Aerospace series Steel FE-PL711 Hardened and tempered 900 Rm 1 100 MPa Bar and wire De 45 mm 4)EN 9100, Quality Management Systems Requirements for Aviation, Space and Defense Organizations ISO 5855-2, Aerospace MJ threads Part 2: Lim
22、it dimensions for bolts and nuts ISO 8788, Aerospace Nuts, metric Tolerances of form and position ISO 9139, Aerospace Nuts, plain or slotted (castellated) Procurement specification ISO 9609, Aerospace Nuts, hexagonal, plain, reduced height, normal across flats, with MJ threads, classifications: 450
23、MPa (at ambient temperature) /120 C, 450 MPa (at ambient temperature) /235 C, 600 MPa (at ambient temperature) /425 C, 900 MPa (at ambient temperature) /235 C, 900 MPa (at ambient temperature) /315 C, 900 MPa (at ambient temperature) /650 C, 1 100 MPa (at ambient temperature) / 235 C, 1 100 MPa (at
24、ambient temperature) /730 C and 1 250 MPa (at ambient temperature)/600 C Dimensions 1) Corresponds to strength class of the associated bolt, the 100 % load of which it is able to withstand, when tested at ambient temperature, without breaking or cracking. 2) Maximum temperature that the nut is able
25、to withstand, without permanent alteration to its original characteristics, after ambient temperature has been restored. The maximum temperature is conditioned by the surface treatment. 3) Inactive for new design. See EN 3513. 4) Published as ASD Prestandard at the date of publication of this standa
26、rd. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 25/03/2010 06:56, Uncontrolled Copy, (c) BSIBS EN 3229:2009EN 3229:2009 (E) 5 TR 3823, Aerospace series Materials for plain, slotted and self-locking by plastic ring hexagonal nuts 5) 3 Required characteristics 3.1 Configuration Dimensions M
27、asses See Figure 1 and Table 1. Dimensions and tolerances are in conformity with ISO 9609, expressed in millimetres and apply after surface treatment. 3.2 Materials EN 2205, EN 2438, EN 2444, EN 2448 or TR 3823. 3.3 Surface treatment EN 2133, 5 m minimum on threads and all surfaces which can be cont
28、acted by a 20 mm diameter ball. On all other surfaces, a continuous cadmium plating shall be present. 5) Published as ASD Technical Report at the date of publication of this standard. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 25/03/2010 06:56, Uncontrolled Copy, (c) BSIBS EN 3229:2009EN
29、 3229:2009 (E) 6 These values in micrometres, apply before surface treatment. The values do not applyto threads the surface texture of which shall be achieved by usual manufacturing methods. Break sharp edges 0,1 to 0,4. Details of form not stated are at the manufacturers option. Tolerances of form
30、and position shall be in conformity with ISO 8788. Dimensions in millimetres Key 1 Thread 2 Marking 3 Two holes U optional 4 r = 0,2 to 0,5 aFrom either face. bDiameter M may be tangential to, but shall not intrude on the flats. cApplicable to both faces. dAll forms of entry (chamfer or radius) opti
31、onal within these limiting dimensions. Figure 1 6,3 1,6 The groove bottomshall not extend completely across the flats Marking for left hand thread Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 25/03/2010 06:56, Uncontrolled Copy, (c) BSIBS EN 3229:2009EN 3229:2009 (E) 7 Table 1 Diameter cod
32、e Left hand thread aE F H L M N U V W Mass kg/1 000piecesapprox. min. Nom. Tol. h14 Nom. Tol. min. max. min. H13 0,2 min. 040 MJ40,7-4H6H-LH 7,6 7 h12 2,6 4,2 + 0,60 6,4 0,5 0,2 bbb0,65 050 MJ50,8-4H6H-LH 8,7 8 3 5,2 7,4 0,9 060 MJ61-4H5H-LH 10,9 10 h13 3,5 6,3 + 0,80 9,3 1 3,9 1,4 1,6 070 MJ71-4H5H
33、-LH 12 11 4 7,3 10,2 4,4 1,6 2,1 080 MJ81-4H5H-LH 14,3 13 8,3 12,2 5 3,1 100 MJ101,25-4H5H-LH 18,9 17 5 10,3 16 0,6 0,3 1,5 6,9 2,1 6,9 120 MJ121,25-4H5H-LH 21,1 19 6 12,3 18 8 2,6 9,7 140 MJ141,5-4H5H-LH 24,5 22 7 14,4 21 9,6 3,1 15 160 MJ161,5-4H5H-LH 26,8 24 8 16,4 23 10,7 3,6 19,4 180 MJ181,5-4H
34、5H-LH 30,2 27 9 18,4 26 12 4,1 27 200 MJ20x1,5-4H5H-LH 33,6 30 10 20,4 29 13,4 4,6 37 220 MJ221,5-4H5H-LH 35,8 32 11 22,4 30,9 14,4 5 49 240 MJ242-4H5H-LH 40,4 36 12 24,5 34,9 16,1 5,5 65 aIn accordance with ISO 5855-2. b Lockwire holes not provided for these diameters. 4 Designation EXAMPLE Descrip
35、tion block NUT Identity block EN3229H060 Number of this standard Hole code (see Table 2) Diameter code (see Table 1) NOTE If necessary the originator code I9005 should be placed between the description block and the identity block. Table 2 Option Code Lockwire holes H No hole (hyphen) Licensed Copy:
36、 Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 25/03/2010 06:56, Uncontrolled Copy, (c) BSIBS EN 3229:2009EN 3229:2009 (E) 8 5 Marking See Table 3. Table 3 Diameter code EN 2424 Style 040 to 070 N 080 to 160 C 180 to 240 A 6 Technical specification ISO 9139 except for approval of manufacturers: see EN 910
37、0. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 25/03/2010 06:56, Uncontrolled Copy, (c) BSIBS EN 3229:2009This page has been intentionally left blankLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 25/03/2010 06:56, Uncontrolled Copy, (c) BSIBS EN3229:2009BSI GroupHeadquarters 389Ch
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